Facility detail

NATIONAL GRID NORTHPORT POWER STATION

WATERSIDE AVE & EATONS NECK RD, NORTHPORT, NY, 11768

Parent company: NATIONAL GRID USA

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Ammonia Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Hydrogen fluoride Vanadium compounds Total (lbs)
2024 7,170 132,483 — — — 139,656
2023 — 87,518 — — — 87,521
2022 28,481 112,339 — — — 140,839
2021 27,945 147,357 — — — 175,322
2020 — 105,222 — — — 105,224
2019 — 77,634 — — — 77,637
2018 20,398 101,596 — — — 122,001
2017 — — — — — 3
2016 — — — — — 1
2015 34,235 — — — — 34,251
2014 36,412 323,011 — — — 402,943
2013 — — — — — 1
2012 — — — — — 1
2011 — — — — — 2
2010 39,005 — — — — 39,163
2009 63,705 — — — 1,705 65,427
2008 135,005 — 30,000 — 3,205 168,243
2007 214,005 — 56,000 — 6,215 279,687
2006 196,005 — 48,000 — 5,405 252,367
2005 470,605 — 115,000 31,000 12,265 635,602
2004 605,005 — 117,500 32,000 12,505 773,907
2003 710,005 — 126,000 34,000 13,655 891,317
2002 522,005 — 92,000 25,000 10,105 654,748
2001 550,005 — 95,400 26,200 10,955 688,285
2000 553,005 — 98,100 26,500 10,680 692,419
1999 400,010 — 66,500 — — 469,420
1998 416,010 — 71,000 — — 490,216

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.